by Craftbits (Shellie Wilson)
What you need
Yarn: Knitting worsted weight
Needles size 8 circular needles (12" or 16") or size needed to get gauge for body of hat. check gauge! #7 or #8 double-pointed needles for crown of hat.
Gauge is equal to 4 sts = 1 inch (2.5cm)
Middle Body of Hat:
Cast on: 60 sts for a small child, 72 sts (for medium child), 84 sts (for an adult)
Join sts and knit every round, marking beg of round, for 6″ (7 1/4″, 8 1/2″).
Top of Hat:
Round 1: *K 10, k2tog. Repeat from * to end of round
Round 2: * K9, k2tog. Repeat from * to end of round
Rounds 3-10: Continue in this way, having one less st in every round before the k2tog’s.
Round 11: K2tog across round
Finishing the hat: Cut yarn, leaving an 8″ end. Thread yarn into blunt needle. Draw up sts and fasten securely. Weave in yarn ends.